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P1500 - Vehicle Speed Sensor (VSS)

WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2008 Mercury Sable, 2008 Mercury Mountaineer, 2008 Mercury Milan, 2008 Mercury Mariner, and 2008 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
P1500 - VEHICLE SPEED SENSOR (VSS)

Description:  Indicates the VSS input signal was intermittent. This DTC is set when a VSS concern interferes with other on-board diagnostics (OBD) tests, such as the catalyst efficiency monitor, the EVAP monitor or the HO2S monitor.
Possible Causes: 
  • Intermittent VSS connections
  • Intermittent open in the VSS harness circuit(s)
  • Intermittent short in VSS harness circuit(s)
  • Damaged VSS
Diagnostic Aids:  Check the wiring, connector, and sensor for damage.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
F-Super Duty   refer to PINPOINT TEST DF .
Expedition,
Navigator,
Sable,
Taurus,
Taurus X		   The powertrain control module (PCM) uses information from the anti-lock brake system (ABS) module and the transmission control module (TCM) to calculate vehicle speed. Check these modules for DTCs.
All others   refer to PINPOINT TEST DP .
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